The sunlight came in____________ the windows in the roof and lit up the whole room.

A．through

B．across

C．by hour

D．each hour

--I don't think we have met before.
--Yes, once at a party, but we___________.

A．weren't introduced	B．didn't introduce
C．haven't introduced	D．were not introducing

It was decades ago ________ I was in my teens ________ the Chinese government decided to reform the social economic system.

A．when; when

B．that; which

C．when; that

D．before; that

Jackson who was famous for his high energy performances _________ during the Democratic National Committee benefit concert, A Night at the Apollo once.

A．was performed

B．performed

C．performing

D．was performing

--- It shouldn’t take long to clear up after the party if we all volunteer to help.
--- That’s right. _____________.

A．Many hands make light work	B．Something is better than nothing
C．The more the merrier	D．The sooner begin, the sooner done

------When do we need to pay the balance ?
------- ________September 30.

A．In

B．By

C．During

D．Within

Don’t leave matches or cigarettes on the table within ______of little children.

A．hand

B．reach

C．space

D．distance

语法填空
If we want to finish anything in life, let us not forget that we must persevere（坚持不懈）. If we want to learn   1  lessons well in school, we must be hard- working and not give up   2  we come to anything difficult. We shall find many of our lessons very hard,   3  let us consider that the harder they are,   4  better they will do to us if we persevere and learn them thoroughly.  
But there are some   5  us who are ready to give up when they come to a hard example in mathematics, and say, “I can’t do this.”   6  never will succeed forever if they feel so. Let us remember that we shall meet with many ____7  all through life. If we keep on   8  (try), we shall be sure to conquer and overcome every difficulty we meet with.
And   9  we master our lessons well in school, it will prepare us to overcome the difficult things   10  we shall meet in life when our school days are over.

Our football team’s ____ has been excellent during the whole year.

A．demand

B．master

C．history

D．performance

You should try to get a good night’s sleep ____ much work you have to do.

A．however

B．no matter

C．although

D．whatever